public class SpecialException extends Exception{
  public SpecialException(){}
  public SpecialException(String msg){super(msg);} 
}



/****************************************************
 * 作者：孙卫琴                                     *
 * 来源：<<Java面向对象编程>>                       *
 * 技术支持网址：www.javathinker.net                *
 ***************************************************/

 
